Sam Gra­ham-Felsen’s debut nov­el, Green, was a New York Times Edi­tor’s Pick, an Ama­zon ​“Best Book of the Month,” one of Barnes and Noble’s ​“Six Debuts to Watch for in 2018,” and one of The New York­er​’s ​“Nov­els We Loved in 2018.” His non­fic­tion has appeared in the New York Times Mag­a­zine, the Wash­ing­ton Post, The Nation, and else­where. He was the chief blog­ger on Barack Oba­ma’s 2008 campaign.